Dungeon master screen



FIG. 1 is a front, left and top perspective view of a dungeon master screen, showing my new design;

FIG. 2 is a rear, left and bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a right side view thereof.

The broken lines shown in the drawings illustrate portions of the dungeon master screen that form no part of the claimed design. 

CLAIM The ornamental design for a dungeon master screen, as shown and described. 